package com.zstu.mall.service;

import com.zstu.mall.common.BaseService;
import com.zstu.mall.entity.ProductActivity;
import com.zstu.mall.dao.ProductActivityDao;

/**
 * @author     : wuyc
 * @description: ProductActivityService
 * @date       : Created in 2019/11/24
 */
public interface ProductActivityService extends BaseService<ProductActivity, String, ProductActivityDao>  {

    /**
     * 根据活动查找商品
     * @param columnId
     * @return
     */
    ProductActivity findByColumnId(String columnId);

}
